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00543 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00544 <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a14">PS_NEXT_SONG</a>; <span class="comment">/* Request */</span>00545 } 00546 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){00547 <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a15">PS_PREVIOUS_SONG</a>; <span class="comment">/* Request */</span>00548 } 00549 <span class="keywordflow">break</span>;00550 00551 00552 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a4">UI_VOLUME</a>:00553 00554 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){00555 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>;00556 <span class="keywordflow">if</span> (volume++ == 254) volume = 254; <span class="comment">//Change + limit to 254 (minimum vol)</span>00557 <a class="code" href="vs10xx_8h.html#a33">Mp3SetVolume</a>(volume,volume);00558 }00559 00560 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00561 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>;00562 <span class="keywordflow">if</span> (volume-- == 0) volume = 0; <span class="comment">//Change + limit to 0 (maximum volume)</span>00563 <a class="code" href="vs10xx_8h.html#a33">Mp3SetVolume</a>(volume,volume);00564 }00565 <span class="keywordflow">break</span>; <span class="comment">// UI_VOLUME</span>00566 00567 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a5">UI_BASS</a>:00568 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a6">UI_TREBLE</a>: <span class="comment">//BASS and TREBLE use the same VS10xx register</span>00569 bassUpdateNeeded = 0;00570 00571 <span class="comment">//First let's see if a key is pressed; does the user want to set level?</span>00572 00573 <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a6">uiMode</a>==<a class="code" href="ui_8h.html#a24a5">UI_BASS</a>){ <span class="comment">//BASS screen is active</span>00574 00575 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){00576 bassUpdateNeeded = 1;00577 <span class="keywordflow">if</span> (bass-- == 0) bass = 0; <span class="comment">//Change + limit to 0 (OFF setting)</span>00578 }00579 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00580 bassUpdateNeeded = 1;00581 <span class="keywordflow">if</span> (bass++ == 127) bass = 127; <span class="comment">//Change + limit to 127 (max setting)</span>00582 }00583 00584 }<span class="keywordflow">else</span>{ <span class="comment">//TREBLE screen is active</span>00585 00586 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){00587 bassUpdateNeeded = 1; <span class="comment">//SCI_BASS is for both bass and treble</span>00588 <span class="keywordflow">if</span> (treble-- == 0) treble = 0; <span class="comment">//Change + limit to 0 (OFF setting)</span>00589 }00590 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00591 bassUpdateNeeded = 1; <span class="comment">//SCI_BASS is for both bass and treble</span>00592 <span class="keywordflow">if</span> (treble++ == 127) treble = 127; <span class="comment">//Change + limit to 127 (max)</span>00593 }00594 00595 }00596 00597 00598 <span class="keywordflow">if</span> (bassUpdateNeeded){00599 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> newBassRegister;00600 00601 <span class="comment">//User has pushed button to alter bass/treble register</span>00602 <span class="comment">//calculate new value</span>00603 00619 <span class="comment">//Let's start from bass frequency setting.</span>00620 <span class="comment">//min(0) should give 2 (20Hz), max(127) should give 15 (150Hz)</span>00621 newBassRegister = (bass + 23) / 10; <span class="comment">//into bits 3..0, clear hibits</span>00622 00623 <span class="comment">//Bass boost level.</span>00624 <span class="comment">//min(0) should give 0, max(127) should give 15</span>00625 newBassRegister |= (bass>>3)<<4; <span class="comment">//insert to bits 7..4</span>00626 00627 <span class="comment">//Then the treble frequency</span>00628 <span class="comment">//min(0) should give 15(15kHx), max(127) should give 2(2kHz)</span>00629 newBassRegister |= (((148-treble)>>3)+2)<<8; <span class="comment">//insert into bits 11..8</span>00630 00631 <span class="comment">//Finally the treble value (-8..7)</span>00632 <span class="comment">//min(0) should give -8, max(127) should give 7;</span>00633 newBassRegister |= ((treble>>3)-8)<<12; <span class="comment">//insert into bits 15..12</span>00634 00635 00636 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>;00637 00638 <span class="keywordflow">if</span> (<a class="code" href="vs10xx_8h.html#a38">Mp3ReadRegister</a>(<a class="code" href="vs10xx_8h.html#a4">SPI_BASS</a>)!=newBassRegister){00639 <a class="code" href="vs10xx_8h.html#a32">Mp3WriteRegister</a>(<a class="code" href="vs10xx_8h.html#a4">SPI_BASS</a>,newBassRegister>>8,newBassRegister&0xff);00640 }00641 00642 <span class="comment">//i = newBassRegister;</span>00643 <span class="comment">//displayTitle[4] = lcd_hexchars[i>>12];</span>00644 <span class="comment">//displayTitle[5] = lcd_hexchars[(i>>8)&0x0f];</span>00645 <span class="comment">//displayTitle[6] = lcd_hexchars[(i>>4)&0x0f];</span>00646 <span class="comment">//displayTitle[7] = lcd_hexchars[i&0x0f];</span>00647 00648 00649 }00650 00651 <span class="keywordflow">break</span>; <span class="comment">// UI_BASS and UI_TREBLE</span>00652 00653 00654 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a8">UI_RECLEVEL</a>:00655 00656 <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a3">playingState</a>==<a class="code" href="ui_8h.html#a25a23">PS_RECORDING</a>){00657 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00658 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>;00659 <span class="keywordflow">if</span> (reclevel++ == 100){00660 reclevel = 100;00661 }00662 <a class="code" href="vs10xx_8h.html#a32">Mp3WriteRegister</a>(<a class="code" href="vs10xx_8h.html#a15">SPI_AICTRL1</a>,00663 ((<span class="keywordtype">int</span>)reclevel*32)>>8,((<span class="keywordtype">int</span>)reclevel*32)&0xff);00664 <a class="code" href="board_8h.html#a44">SPIPutChar</a>(0);<a class="code" href="board_8h.html#a43">SPIWait</a>();00665 }00666 00667 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){00668 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>;00669 <span class="keywordflow">if</span> (reclevel-- == 0){00670 reclevel = 0;00671 }00672 <a class="code" href="vs10xx_8h.html#a32">Mp3WriteRegister</a>(<a class="code" href="vs10xx_8h.html#a15">SPI_AICTRL1</a>,00673 ((<span class="keywordtype">int</span>)reclevel*32)>>8,((<span class="keywordtype">int</span>)reclevel*32)&0xff);00674 <a class="code" href="board_8h.html#a44">SPIPutChar</a>(0);<a class="code" href="board_8h.html#a43">SPIWait</a>();00675 }00676 }<span class="keywordflow">else</span>{00677 <span class="comment">//Not in recording</span>00678 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00679 <span class="comment">//Enter recording mode</span>00680 <a class="code" href="player_8c.html#a3">playingState</a>=<a class="code" href="ui_8h.html#a25a23">PS_RECORDING</a>; <span class="comment">//request to record</span>00681 }00682 }00683 <span class="keywordflow">break</span>; <span class="comment">// UI_RECLEVEL</span>00684 00685 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a10">UI_STOP</a>:00686 00687 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00688 <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a13">PS_END_OF_SONG</a>; <span class="comment">/* Request to abort playing */</span>00689 } 00690 <span class="keywordflow">break</span>; <span class="comment">// UI_STOP</span>00691 00692 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a7">UI_CUE</a>:00693 00694 <span class="keywordflow">if</span> (<a class="code" href="player_8c.html#a3">playingState</a> == <a class="code" href="ui_8h.html#a25a12">PS_NORMAL</a>){ <span class="comment">/* Only control when PS_NORMAL */</span>00695 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a15">KEY_FARRIGHT</a>){00696 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>; <span class="comment">/* Don't go back to title just yet */</span>00697 <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a16">PS_CUE</a>; <span class="comment">/* Request */</span>00698 } 00699 <span class="keywordflow">if</span> (<a class="code" href="board_8h.html#a18">KEY_FARLEFT</a>){00700 uiReturnDelay = <a class="code" href="player_8c.html#a2">UI_RETURN_DELAY</a>;00701 <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a19">PS_REWIND</a>; <span class="comment">/* Request */</span>00702 } 00703 }00704 00705 <span class="keywordflow">break</span>; <span class="comment">// UI_SKIP</span>00706 00707 <span class="keywordflow">case</span> <a class="code" href="ui_8h.html#a24a11">UI_END_OF_MODES</a>:00708 <a class="code" href="player_8c.html#a6">uiMode</a> = <a class="code" href="ui_8h.html#a24a2">UI_TITLE</a>;00709 <span class="keywordflow">break</span>; <span class="comment">// UI_END_OF_MODES</span>00710 00711 00712 } <span class="comment">//End Switch</span>00713 00714 00715 <span class="comment">// Draw screen</span>00716 <a class="code" href="display_8c.html#a7">UpdateDisplay</a>();00717 }00718 00719 00720 <a name="l00724"></a><a class="code" href="player_8c.html#a13">00724</a> <span class="keywordtype">void</span> <a class="code" href="player_8c.html#a13">PlayCurrentFile</a>(){00725 xdata <span class="keywordtype">char</span> c, nFragments;00726 00727 <a class="code" href="player_8c.html#a3">playingState</a> = <a class="code" href="ui_8h.html#a25a12">PS_NORMAL</a>; <span class="comment">/* Request to play normally */</span>?? 快捷鍵說明
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